package com.imooc.sell.controller;

import com.imooc.sell.dataobject.ProductCategory;
import com.imooc.sell.exception.SellException;
import com.imooc.sell.form.CategoryForm;
import com.imooc.sell.service.CategoryService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

import javax.validation.Valid;
import java.util.List;
import java.util.Map;

/*
 * @Description 卖家类目
 * @Author whf15
 * @Date 20:52 2021/11/2
 * @Param
 * @return
 **/
@Controller
@RequestMapping("/seller/category")
public class SellerCategoryController {

    @Autowired
    private CategoryService categoryService;

    @GetMapping("/list")
    public ModelAndView list(Map<String, Object> map){

        List<ProductCategory> categoryList = categoryService.findAll();
        map.put("categoryList", categoryList);
        return new ModelAndView("category/list", map);
    }

    @GetMapping("/index")
    public ModelAndView index(@RequestParam(value = "categoryId", required = false) Integer categoryId,
                              Map<String, Object> map){
        if (categoryId != null){
            ProductCategory productCategory = categoryService.findOne(categoryId);
            map.put("productCategory", productCategory);
        }
        return new ModelAndView("category/index",map);
    }

    /*
     * @Description 保存
     * @Author whf15
     * @Date 21:40 2021/11/2
     * @Param [form, bindingResult, map]
     * @return org.springframework.web.servlet.ModelAndView
     **/
    @PostMapping("/save")
    public ModelAndView save(@Valid CategoryForm form,
                             BindingResult bindingResult,
                             Map<String, Object> map){
        if (bindingResult.hasErrors()){
            map.put("msg", bindingResult.getFieldError().getDefaultMessage());
            map.put("url", "/sell/seller/category/index");
            return new ModelAndView("common/error",map);
        }

        ProductCategory productCategory = new ProductCategory();
        try{
            if (form.getCategoryId() != null){
                productCategory = categoryService.findOne(form.getCategoryId());
            }
            BeanUtils.copyProperties(form, productCategory);
            categoryService.save(productCategory);
        }catch (SellException e){
            map.put("msg",e.getMessage());
            map.put("url", "/sell/seller/category/index");
            return new ModelAndView("common/error",map);
        }

        map.put("url", "/sell/seller/category/list");
        return new ModelAndView("common/success",map);
    }

}
